Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'f79d53fea5f47249284e5cc904751739' = '"%TEMP%\chrome.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'f79d53fea5f47249284e5cc904751739' = '"%TEMP%\chrome.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\f79d53fea5f47249284e5cc904751739.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\f79d53fea5f47249284e5cc904751739.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\chrome.exe' = '%TEMP%\chrome.exe:*:Enabled:chrome.exe'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\chrome.exe" "chrome.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\chrome.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\chrome.exe
- %HOMEPATH%\Start Menu\Programs\Startup\f79d53fea5f47249284e5cc904751739.exe
- <Drive name for removable media>:\f79d53fea5f47249284e5cc904751739.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'li#####96dz.ddns.net':1212
UDP:
- DNS ASK li#####96dz.ddns.net
Miscellaneous:
Creates and executes the following:
- '%TEMP%\chrome.exe'